first commit

build/node_modules/fstream/lib/proxy-reader.js

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+// A reader for when we don't yet know what kind of thing
+// the thing is.
+
+module.exports = ProxyReader
+
+var Reader = require('./reader.js')
+var getType = require('./get-type.js')
+var inherits = require('inherits')
+var fs = require('graceful-fs')
+
+inherits(ProxyReader, Reader)
+
+function ProxyReader (props) {
+  var self = this
+  if (!(self instanceof ProxyReader)) {
+    throw new Error('ProxyReader must be called as constructor.')
+  }
+
+  self.props = props
+  self._buffer = []
+  self.ready = false
+
+  Reader.call(self, props)
+}
+
+ProxyReader.prototype._stat = function () {
+  var self = this
+  var props = self.props
+  // stat the thing to see what the proxy should be.
+  var stat = props.follow ? 'stat' : 'lstat'
+
+  fs[stat](props.path, function (er, current) {
+    var type
+    if (er || !current) {
+      type = 'File'
+    } else {
+      type = getType(current)
+    }
+
+    props[type] = true
+    props.type = self.type = type
+
+    self._old = current
+    self._addProxy(Reader(props, current))
+  })
+}
+
+ProxyReader.prototype._addProxy = function (proxy) {
+  var self = this
+  if (self._proxyTarget) {
+    return self.error('proxy already set')
+  }
+
+  self._proxyTarget = proxy
+  proxy._proxy = self
+
+  ;[
+    'error',
+    'data',
+    'end',
+    'close',
+    'linkpath',
+    'entry',
+    'entryEnd',
+    'child',
+    'childEnd',
+    'warn',
+    'stat'
+  ].forEach(function (ev) {
+    // console.error('~~ proxy event', ev, self.path)
+    proxy.on(ev, self.emit.bind(self, ev))
+  })
+
+  self.emit('proxy', proxy)
+
+  proxy.on('ready', function () {
+    // console.error("~~ proxy is ready!", self.path)
+    self.ready = true
+    self.emit('ready')
+  })
+
+  var calls = self._buffer
+  self._buffer.length = 0
+  calls.forEach(function (c) {
+    proxy[c[0]].apply(proxy, c[1])
+  })
+}
+
+ProxyReader.prototype.pause = function () {
+  return this._proxyTarget ? this._proxyTarget.pause() : false
+}
+
+ProxyReader.prototype.resume = function () {
+  return this._proxyTarget ? this._proxyTarget.resume() : false
+}